Source Data Reference for:
City = Kaifeng
Time = 800
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Kaifeng | 700 | 100,000 | George Modelski | World Cities -3000 to 2000 | p44 | ||
| Kaifeng | 800 | 55,000 | Tertius Chandler | Four thousand years of urban growth | p467 | ||
| Kaifeng | 800 | 55,000 | Tertius Chandler | Four thousand years of urban growth | p70 | ||
| Kaifeng | 800 | 100,000 | George Modelski | World Cities -3000 to 2000 | p44 |